docs: def check_required_args(required_args, args):
      """
      Checks if all required_args have a value.
      :param required_args: list of required args
      :param args: kwargs
      :return: True (if an exception isn't raised)
      """
      for arg in required_args:
          if arg not in args:
              raise KeyError('Required argument: %s' % arg)
      return True